CVE-2026-79623CWE-77CWE-78command-injection

CVE-2026-79623

Medium · published August 25, 2026

CVSS v3.1
6.3
EPSS
2%
Percentile
78.5
In the wild
Unconfirmed
What it is

A security vulnerability has been detected in FishCodeTech Muteki up to 0.2.5. The affected element is an unknown function of the file .claude/settings.json of the component Default Local Worker Backend. The manipulation leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The issue was closed with the comment (translated from Chinese): "The project will be refactored and shut down."

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.01817 · 78.5th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-08-25T18:16Z
References (7)
https://vuldb.com/submit/887095 · [email protected]https://vuldb.com/vuln/394962 · [email protected]https://vuldb.com/vuln/394962/cti · [email protected]https://github.com/FishCodeTech/muteki/ · [email protected]https://github.com/FishCodeTech/muteki/issues/7 · [email protected]https://github.com/micr0softDrestlife/muteki_vul_report · [email protected]https://vuldb.com/cve/CVE-2026-79623 · [email protected]
EPSS history
Timeline
  • 27 AUG 06:46Z
    EPSS moved — → 1%
    epss
  • 25 AUG 13:30Z
    FishCodeTech Muteki Default Local Worker Backend settings.json os command injection
    cvelistv5